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Finding the Fourth Proportional to 485,950.25, 670,609.44 and 271,090.14

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Solution

The fourth proportional to 485,950.25, 670,609.44 and 271,090.14 is: 374,103.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,950.25 : 670,609.44 = 271,090.14 : x
  2. Step 2: Convert to fraction form
    485,950.25/670,609.44 = 271,090.14/x
  3. Step 3: Cross multiply
    485,950.25x = 670,609.44 × 271,090.14
  4. Step 4: Simplify right side
    485,950.25x = 181,795,606,974.92
  5. Step 5: Solve for x
    x = 181,795,606,974.92/485,950.25
  6. Step 6: Final answer
    x = 374,103.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.